Ubuntu update for barbican

1) Improper access control

EUVDB-ID: #VU67757

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-3100

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass access policy via a query string when accessing the API.

Mitigation

Update the affected package barbican to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 22.04

python-barbican (Ubuntu package): before 1:6.0.1-0ubuntu1.2

python3-barbican (Ubuntu package): before 1:10.1.0-0ubuntu2.2

CPE2.3

• cpe:2.3:o:canonical:ubuntu:18.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:python-barbican_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:python3-barbican_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5697-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.